but with increased competition on the roads, and growing electronic services online the u.s. postal service has struggled financially to keep up. like even selling greeting cards to a captive audience in line. now that the postal service is ending saturday delivery to save money, many customers like those on 18th street seemed unruffled by the change. >> it doesn't make any difference whether i get it on saturday or monday. doesn't matter. >> when i think about it, i think it's okay. >> do you get much mail on saturdays? >> no, not really. >> no first class home delivery of mail. >> i think that's okay. i think they probably should have stopped it awhile ago. >> competition has changed. >> i think it's something we can give up. >> the no saturday delivery is expected to save $2 billion a year. in the district, tom sherwood, news 4. >>> right now at 6:00, a developing story. a case of trespassing at a local school that led to the arrest of a 25-year-old man. the search of his home and the recovery of a bunch of weapons he owned. >>> police are looking for whoever set off an ex